Can you think of any three-dimensional shape that comprises of exactly two surfaces?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

What jumps when it walks and sits when it stands?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

There was a strange boy who was born before his father. How can this be possible?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?